1 // SPDX-License-Identifier: GPL-2.0-only
3 * Qualcomm ADSP/SLPI Peripheral Image Loader for MSM8974 and MSM8996
5 * Copyright (C) 2016 Linaro Ltd
6 * Copyright (C) 2014 Sony Mobile Communications AB
7 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
10 #include <linux/clk.h>
11 #include <linux/firmware.h>
12 #include <linux/interrupt.h>
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 #include <linux/of_address.h>
16 #include <linux/of_device.h>
17 #include <linux/platform_device.h>
18 #include <linux/pm_domain.h>
19 #include <linux/pm_runtime.h>
20 #include <linux/qcom_scm.h>
21 #include <linux/regulator/consumer.h>
22 #include <linux/remoteproc.h>
23 #include <linux/soc/qcom/mdt_loader.h>
24 #include <linux/soc/qcom/smem.h>
25 #include <linux/soc/qcom/smem_state.h>
27 #include "qcom_common.h"
28 #include "qcom_pil_info.h"
29 #include "qcom_q6v5.h"
30 #include "remoteproc_internal.h"
33 int crash_reason_smem;
34 const char *firmware_name;
36 unsigned int minidump_id;
40 char **active_pd_names;
41 char **proxy_pd_names;
44 const char *sysmon_name;
52 struct qcom_q6v5 q6v5;
55 struct clk *aggre2_clk;
57 struct regulator *cx_supply;
58 struct regulator *px_supply;
60 struct device *active_pds[1];
61 struct device *proxy_pds[3];
67 unsigned int minidump_id;
68 int crash_reason_smem;
70 const char *info_name;
72 struct completion start_done;
73 struct completion stop_done;
76 phys_addr_t mem_reloc;
80 struct qcom_rproc_glink glink_subdev;
81 struct qcom_rproc_subdev smd_subdev;
82 struct qcom_rproc_ssr ssr_subdev;
83 struct qcom_sysmon *sysmon;
86 static void adsp_minidump(struct rproc *rproc)
88 struct qcom_adsp *adsp = rproc->priv;
90 qcom_minidump(rproc, adsp->minidump_id);
93 static int adsp_pds_enable(struct qcom_adsp *adsp, struct device **pds,
99 for (i = 0; i < pd_count; i++) {
100 dev_pm_genpd_set_performance_state(pds[i], INT_MAX);
101 ret = pm_runtime_get_sync(pds[i]);
103 pm_runtime_put_noidle(pds[i]);
104 dev_pm_genpd_set_performance_state(pds[i], 0);
105 goto unroll_pd_votes;
112 for (i--; i >= 0; i--) {
113 dev_pm_genpd_set_performance_state(pds[i], 0);
114 pm_runtime_put(pds[i]);
120 static void adsp_pds_disable(struct qcom_adsp *adsp, struct device **pds,
125 for (i = 0; i < pd_count; i++) {
126 dev_pm_genpd_set_performance_state(pds[i], 0);
127 pm_runtime_put(pds[i]);
131 static int adsp_load(struct rproc *rproc, const struct firmware *fw)
133 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
136 ret = qcom_mdt_load(adsp->dev, fw, rproc->firmware, adsp->pas_id,
137 adsp->mem_region, adsp->mem_phys, adsp->mem_size,
142 qcom_pil_info_store(adsp->info_name, adsp->mem_phys, adsp->mem_size);
147 static int adsp_start(struct rproc *rproc)
149 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
152 qcom_q6v5_prepare(&adsp->q6v5);
154 ret = adsp_pds_enable(adsp, adsp->active_pds, adsp->active_pd_count);
158 ret = adsp_pds_enable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
160 goto disable_active_pds;
162 ret = clk_prepare_enable(adsp->xo);
164 goto disable_proxy_pds;
166 ret = clk_prepare_enable(adsp->aggre2_clk);
170 ret = regulator_enable(adsp->cx_supply);
172 goto disable_aggre2_clk;
174 ret = regulator_enable(adsp->px_supply);
176 goto disable_cx_supply;
178 ret = qcom_scm_pas_auth_and_reset(adsp->pas_id);
181 "failed to authenticate image and release reset\n");
182 goto disable_px_supply;
185 ret = qcom_q6v5_wait_for_start(&adsp->q6v5, msecs_to_jiffies(5000));
186 if (ret == -ETIMEDOUT) {
187 dev_err(adsp->dev, "start timed out\n");
188 qcom_scm_pas_shutdown(adsp->pas_id);
189 goto disable_px_supply;
195 regulator_disable(adsp->px_supply);
197 regulator_disable(adsp->cx_supply);
199 clk_disable_unprepare(adsp->aggre2_clk);
201 clk_disable_unprepare(adsp->xo);
203 adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
205 adsp_pds_disable(adsp, adsp->active_pds, adsp->active_pd_count);
207 qcom_q6v5_unprepare(&adsp->q6v5);
212 static void qcom_pas_handover(struct qcom_q6v5 *q6v5)
214 struct qcom_adsp *adsp = container_of(q6v5, struct qcom_adsp, q6v5);
216 regulator_disable(adsp->px_supply);
217 regulator_disable(adsp->cx_supply);
218 clk_disable_unprepare(adsp->aggre2_clk);
219 clk_disable_unprepare(adsp->xo);
220 adsp_pds_disable(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
223 static int adsp_stop(struct rproc *rproc)
225 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
229 ret = qcom_q6v5_request_stop(&adsp->q6v5, adsp->sysmon);
230 if (ret == -ETIMEDOUT)
231 dev_err(adsp->dev, "timed out on wait\n");
233 ret = qcom_scm_pas_shutdown(adsp->pas_id);
235 dev_err(adsp->dev, "failed to shutdown: %d\n", ret);
237 adsp_pds_disable(adsp, adsp->active_pds, adsp->active_pd_count);
238 handover = qcom_q6v5_unprepare(&adsp->q6v5);
240 qcom_pas_handover(&adsp->q6v5);
245 static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
247 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
250 offset = da - adsp->mem_reloc;
251 if (offset < 0 || offset + len > adsp->mem_size)
254 return adsp->mem_region + offset;
257 static unsigned long adsp_panic(struct rproc *rproc)
259 struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
261 return qcom_q6v5_panic(&adsp->q6v5);
264 static const struct rproc_ops adsp_ops = {
267 .da_to_va = adsp_da_to_va,
268 .parse_fw = qcom_register_dump_segments,
273 static const struct rproc_ops adsp_minidump_ops = {
276 .da_to_va = adsp_da_to_va,
279 .coredump = adsp_minidump,
282 static int adsp_init_clock(struct qcom_adsp *adsp)
286 adsp->xo = devm_clk_get(adsp->dev, "xo");
287 if (IS_ERR(adsp->xo)) {
288 ret = PTR_ERR(adsp->xo);
289 if (ret != -EPROBE_DEFER)
290 dev_err(adsp->dev, "failed to get xo clock");
294 if (adsp->has_aggre2_clk) {
295 adsp->aggre2_clk = devm_clk_get(adsp->dev, "aggre2");
296 if (IS_ERR(adsp->aggre2_clk)) {
297 ret = PTR_ERR(adsp->aggre2_clk);
298 if (ret != -EPROBE_DEFER)
300 "failed to get aggre2 clock");
308 static int adsp_init_regulator(struct qcom_adsp *adsp)
310 adsp->cx_supply = devm_regulator_get(adsp->dev, "cx");
311 if (IS_ERR(adsp->cx_supply))
312 return PTR_ERR(adsp->cx_supply);
314 regulator_set_load(adsp->cx_supply, 100000);
316 adsp->px_supply = devm_regulator_get(adsp->dev, "px");
317 return PTR_ERR_OR_ZERO(adsp->px_supply);
320 static int adsp_pds_attach(struct device *dev, struct device **devs,
330 /* Handle single power domain */
331 if (dev->pm_domain) {
333 pm_runtime_enable(dev);
337 while (pd_names[num_pds])
340 for (i = 0; i < num_pds; i++) {
341 devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]);
342 if (IS_ERR_OR_NULL(devs[i])) {
343 ret = PTR_ERR(devs[i]) ? : -ENODATA;
351 for (i--; i >= 0; i--)
352 dev_pm_domain_detach(devs[i], false);
357 static void adsp_pds_detach(struct qcom_adsp *adsp, struct device **pds,
360 struct device *dev = adsp->dev;
363 /* Handle single power domain */
364 if (dev->pm_domain && pd_count) {
365 pm_runtime_disable(dev);
369 for (i = 0; i < pd_count; i++)
370 dev_pm_domain_detach(pds[i], false);
373 static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
375 struct device_node *node;
379 node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
381 dev_err(adsp->dev, "no memory-region specified\n");
385 ret = of_address_to_resource(node, 0, &r);
389 adsp->mem_phys = adsp->mem_reloc = r.start;
390 adsp->mem_size = resource_size(&r);
391 adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
392 if (!adsp->mem_region) {
393 dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
394 &r.start, adsp->mem_size);
401 static int adsp_probe(struct platform_device *pdev)
403 const struct adsp_data *desc;
404 struct qcom_adsp *adsp;
407 const struct rproc_ops *ops = &adsp_ops;
410 desc = of_device_get_match_data(&pdev->dev);
414 if (!qcom_scm_is_available())
415 return -EPROBE_DEFER;
417 fw_name = desc->firmware_name;
418 ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
420 if (ret < 0 && ret != -EINVAL)
423 if (desc->minidump_id)
424 ops = &adsp_minidump_ops;
426 rproc = rproc_alloc(&pdev->dev, pdev->name, ops, fw_name, sizeof(*adsp));
429 dev_err(&pdev->dev, "unable to allocate remoteproc\n");
433 rproc->auto_boot = desc->auto_boot;
434 rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
436 adsp = (struct qcom_adsp *)rproc->priv;
437 adsp->dev = &pdev->dev;
439 adsp->minidump_id = desc->minidump_id;
440 adsp->pas_id = desc->pas_id;
441 adsp->has_aggre2_clk = desc->has_aggre2_clk;
442 adsp->info_name = desc->sysmon_name;
443 platform_set_drvdata(pdev, adsp);
445 device_wakeup_enable(adsp->dev);
447 ret = adsp_alloc_memory_region(adsp);
451 ret = adsp_init_clock(adsp);
455 ret = adsp_init_regulator(adsp);
459 ret = adsp_pds_attach(&pdev->dev, adsp->active_pds,
460 desc->active_pd_names);
463 adsp->active_pd_count = ret;
465 ret = adsp_pds_attach(&pdev->dev, adsp->proxy_pds,
466 desc->proxy_pd_names);
468 goto detach_active_pds;
469 adsp->proxy_pd_count = ret;
471 ret = qcom_q6v5_init(&adsp->q6v5, pdev, rproc, desc->crash_reason_smem,
474 goto detach_proxy_pds;
476 qcom_add_glink_subdev(rproc, &adsp->glink_subdev, desc->ssr_name);
477 qcom_add_smd_subdev(rproc, &adsp->smd_subdev);
478 qcom_add_ssr_subdev(rproc, &adsp->ssr_subdev, desc->ssr_name);
479 adsp->sysmon = qcom_add_sysmon_subdev(rproc,
482 if (IS_ERR(adsp->sysmon)) {
483 ret = PTR_ERR(adsp->sysmon);
484 goto detach_proxy_pds;
487 ret = rproc_add(rproc);
489 goto detach_proxy_pds;
494 adsp_pds_detach(adsp, adsp->proxy_pds, adsp->proxy_pd_count);
496 adsp_pds_detach(adsp, adsp->active_pds, adsp->active_pd_count);
503 static int adsp_remove(struct platform_device *pdev)
505 struct qcom_adsp *adsp = platform_get_drvdata(pdev);
507 rproc_del(adsp->rproc);
509 qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev);
510 qcom_remove_sysmon_subdev(adsp->sysmon);
511 qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev);
512 qcom_remove_ssr_subdev(adsp->rproc, &adsp->ssr_subdev);
513 rproc_free(adsp->rproc);
518 static const struct adsp_data adsp_resource_init = {
519 .crash_reason_smem = 423,
520 .firmware_name = "adsp.mdt",
522 .has_aggre2_clk = false,
525 .sysmon_name = "adsp",
529 static const struct adsp_data sm8150_adsp_resource = {
530 .crash_reason_smem = 423,
531 .firmware_name = "adsp.mdt",
533 .has_aggre2_clk = false,
535 .active_pd_names = (char*[]){
539 .proxy_pd_names = (char*[]){
544 .sysmon_name = "adsp",
548 static const struct adsp_data sm8250_adsp_resource = {
549 .crash_reason_smem = 423,
550 .firmware_name = "adsp.mdt",
552 .has_aggre2_clk = false,
554 .active_pd_names = (char*[]){
558 .proxy_pd_names = (char*[]){
564 .sysmon_name = "adsp",
568 static const struct adsp_data msm8998_adsp_resource = {
569 .crash_reason_smem = 423,
570 .firmware_name = "adsp.mdt",
572 .has_aggre2_clk = false,
574 .proxy_pd_names = (char*[]){
579 .sysmon_name = "adsp",
583 static const struct adsp_data cdsp_resource_init = {
584 .crash_reason_smem = 601,
585 .firmware_name = "cdsp.mdt",
587 .has_aggre2_clk = false,
590 .sysmon_name = "cdsp",
594 static const struct adsp_data sm8150_cdsp_resource = {
595 .crash_reason_smem = 601,
596 .firmware_name = "cdsp.mdt",
598 .has_aggre2_clk = false,
600 .active_pd_names = (char*[]){
604 .proxy_pd_names = (char*[]){
609 .sysmon_name = "cdsp",
613 static const struct adsp_data sm8250_cdsp_resource = {
614 .crash_reason_smem = 601,
615 .firmware_name = "cdsp.mdt",
617 .has_aggre2_clk = false,
619 .active_pd_names = (char*[]){
623 .proxy_pd_names = (char*[]){
628 .sysmon_name = "cdsp",
632 static const struct adsp_data mpss_resource_init = {
633 .crash_reason_smem = 421,
634 .firmware_name = "modem.mdt",
637 .has_aggre2_clk = false,
639 .active_pd_names = (char*[]){
643 .proxy_pd_names = (char*[]){
649 .sysmon_name = "modem",
653 static const struct adsp_data slpi_resource_init = {
654 .crash_reason_smem = 424,
655 .firmware_name = "slpi.mdt",
657 .has_aggre2_clk = true,
660 .sysmon_name = "slpi",
664 static const struct adsp_data sm8150_slpi_resource = {
665 .crash_reason_smem = 424,
666 .firmware_name = "slpi.mdt",
668 .has_aggre2_clk = false,
670 .active_pd_names = (char*[]){
674 .proxy_pd_names = (char*[]){
680 .sysmon_name = "slpi",
684 static const struct adsp_data sm8250_slpi_resource = {
685 .crash_reason_smem = 424,
686 .firmware_name = "slpi.mdt",
688 .has_aggre2_clk = false,
690 .active_pd_names = (char*[]){
694 .proxy_pd_names = (char*[]){
700 .sysmon_name = "slpi",
704 static const struct adsp_data msm8998_slpi_resource = {
705 .crash_reason_smem = 424,
706 .firmware_name = "slpi.mdt",
708 .has_aggre2_clk = true,
710 .proxy_pd_names = (char*[]){
715 .sysmon_name = "slpi",
719 static const struct adsp_data wcss_resource_init = {
720 .crash_reason_smem = 421,
721 .firmware_name = "wcnss.mdt",
725 .sysmon_name = "wcnss",
729 static const struct of_device_id adsp_of_match[] = {
730 { .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
731 { .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init},
732 { .compatible = "qcom,msm8996-slpi-pil", .data = &slpi_resource_init},
733 { .compatible = "qcom,msm8998-adsp-pas", .data = &msm8998_adsp_resource},
734 { .compatible = "qcom,msm8998-slpi-pas", .data = &msm8998_slpi_resource},
735 { .compatible = "qcom,qcs404-adsp-pas", .data = &adsp_resource_init },
736 { .compatible = "qcom,qcs404-cdsp-pas", .data = &cdsp_resource_init },
737 { .compatible = "qcom,qcs404-wcss-pas", .data = &wcss_resource_init },
738 { .compatible = "qcom,sc7180-mpss-pas", .data = &mpss_resource_init},
739 { .compatible = "qcom,sdm845-adsp-pas", .data = &adsp_resource_init},
740 { .compatible = "qcom,sdm845-cdsp-pas", .data = &cdsp_resource_init},
741 { .compatible = "qcom,sm8150-adsp-pas", .data = &sm8150_adsp_resource},
742 { .compatible = "qcom,sm8150-cdsp-pas", .data = &sm8150_cdsp_resource},
743 { .compatible = "qcom,sm8150-mpss-pas", .data = &mpss_resource_init},
744 { .compatible = "qcom,sm8150-slpi-pas", .data = &sm8150_slpi_resource},
745 { .compatible = "qcom,sm8250-adsp-pas", .data = &sm8250_adsp_resource},
746 { .compatible = "qcom,sm8250-cdsp-pas", .data = &sm8250_cdsp_resource},
747 { .compatible = "qcom,sm8250-slpi-pas", .data = &sm8250_slpi_resource},
750 MODULE_DEVICE_TABLE(of, adsp_of_match);
752 static struct platform_driver adsp_driver = {
754 .remove = adsp_remove,
756 .name = "qcom_q6v5_pas",
757 .of_match_table = adsp_of_match,
761 module_platform_driver(adsp_driver);
762 MODULE_DESCRIPTION("Qualcomm Hexagon v5 Peripheral Authentication Service driver");
763 MODULE_LICENSE("GPL v2");